This implies that we remove [#] from consideration, as desired.
This means fewer facts are considered and a little time is saved.
Also, announced (in comments and assertions) that [any] is implemented as [#],
but not yet committed.

size (6311, which means 8192) to a variable size, determined by the
size of the alphabet and the star size of the state. This seems to
lead to slightly slower behavior on small grammars and to slightly
faster running times and lower memory consumption on large grammars.